JPS6111456Y2 - - Google Patents

Description

[Detailed description of the invention] This invention is equipped with a swinging dust removal tool for the dust removal net attached to the upper side in the direction of engine cooling air flow.
The engine radiator, which is rotatably supported by the support shaft of the dust remover, is supported on the machine frame in a vertically vibration-proof state, and an operating tool that is laterally displaced with respect to the radiator and the support shaft are provided. The present invention relates to a dust removal device for an engine radiator in a power mobile agricultural machine, in which the dust removal tool is forcibly swung by pushing and pulling operations of the operating tool.

In a dust removal device for an engine radiator in this type of power mobile agricultural machine, when converting the push/pull operation force of the operating tool into rotational force of the support shaft, that is, the swinging force of the dust removal tool, the movement is performed in a direction transverse to the support shaft. Since the component force acts as a bending moment, it is necessary to use a support shaft or bearing with a diameter large enough to withstand the bending moment.
Since the radiator supported by vibration isolation swings laterally every time dust is removed, excessive force is repeatedly applied to the vibration isolation support of the radiator, deforming and damaging the vibration isolator, and causing it to fail as intended. There was a problem that the anti-vibration function deteriorated in a short period of time.

In view of the above-mentioned circumstances, the present invention makes it possible to avoid the above-mentioned disadvantages during dust removal by adding a simple structure while maintaining the desired vibration-proofing performance of the radiator. It has a purpose in trying to make it possible.

That is, the dust removing device for the engine radiator in the powered mobile agricultural machine according to the present invention is the above-mentioned, in which the machine frame allows the support shaft to move up and down,
In addition, since a guide member is fixed to prevent lateral movement of the support shaft, the desired vibration-proofing effect on the radiator is reliably achieved by the up and down movement of the support shaft in response to vibration of the vehicle during travel, etc., while the lateral component force acting on the support shaft when the pushing and pulling force of the operating tool is converted into the rotational force of the support shaft in operating and swinging the dust remover can be reliably received by the guide member. This eliminates the need to increase the diameter and size of the support shaft and the bearing portion, making it possible to make the mounting structure more compact, and minimizing deformation and damage to the vibration-proofing tool caused by lateral swinging of the radiator during dust removal operation.
Moreover, since it is only necessary to attach the above-mentioned guide members to the machine frame, the desired object can be achieved with a simple structure and advantageous manufacturing and cost aspects.

In addition, if the operating tool is configured to have a main clutch pedal that also serves as a main clutch, the number of parts can be reduced due to this dual-purpose use, which not only simplifies the dust removal device but also increases the frequency of use. There is an advantage that the dust removal tool can be activated at an appropriate time without forgetting to operate it by using the high speed operation of the main clutch pedal.

Hereinafter, an embodiment of the present invention will be described based on the drawings. A planted grain culm is raised on the front part of a machine frame 3 equipped with a pair of left and right crawler running devices 1, 1 and a threshing device 2, and after being harvested. A reaping section 4 for conveying and supplying this to the threshing device 2 is connected and supported so that it can be driven up and down,
An engine 8 equipped with a cooling fan 7 and an engine radiator 9 are mounted on the machine frame portion located on one side of the reaping section 4 and within the support frame 6 of the driver's seat 5. Cooling air is introduced into the radiator 9 by a cover 10 that is positioned on the lateral outer side of the radiator 8 and is supported in a vertical vibration-proofing state, and that is fixedly connected to the upper side of the radiator 9 in the engine cooling air flow direction. In a combine harvester having a dustproof net 11 stretched over its mouth, a dust removal device installed therein is constructed as follows.

That is, a support shaft 12 extending in the left and right directions is rotatably supported through a portion of the cover 10 located near the lower end of the rear part of the radiator 9 via a bearing member 22 loosely fitted therein. A swing type dust remover 13, 13 having dust removal brushes 13a, 13a slidingly in contact with both the front and back surfaces of the dustproof net 11, respectively, is fixed to the lateral outer side of the support shaft 12.
The arm 14 fixed to the inner end of the radiator 9 and the arm 16 on the side of the main clutch pedal 15 provided at a position displaced forward of the radiator 9 are connected by pushing and pulling in conjunction with depressing and releasing operations of the main clutch petal 15. The two dust removers 13, 13 are linked together via a rod 17 in order to forcefully swing them.

Thus, a shaft portion of the support shaft 12 near the arm 14 can be fitted from below to a portion of the machine frame 3 that supports the radiator 9 via a pair of upper and lower vibration isolating rubbers 18, 18. Guide groove 1 in vertical position
L-shaped guide member 19 with a notch formed at 9a
is fixed to allow the vertical movement of the support shaft 12 while preventing its lateral movement.

In the figure, reference numeral 20 denotes a decorative cover attached to the outer lateral portion of the driver's seat support frame 6 so as to be able to swing open and close and to be fixed in place. This decorative cover 20 has a plurality of cooling air inlets 21 formed therein.

Further, a dedicated operation tool for the dust removal tools 13, 13 may be provided.

[Brief explanation of the drawing]

The drawings illustrate an embodiment of the dust removal device for an engine radiator in a power mobile agricultural machine according to the present invention, and FIG. 1 is a partially cutaway side view of the front part of a combine harvester;
2 is a cross-sectional plan view of the main part, FIG. 3 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 4 is a cross-sectional view taken along the line -- in FIG. 3. 3... Machine frame, 9... Engine radiator, 11
... Dustproof net, 12 ... Support shaft, 13 ... Dust removal tool, 1
5... Operating tool, 19... Guide member.

Claims (1)

[Claims for Utility Model Registration] A rocking type dust remover 13 is provided for the dustproof net 11 attached to the upper side in the flow direction of the engine cooling air, and the spindle 12 of the dust remover 13 is rotatably supported. A certain engine radiator 9,
The dust removal is performed by pushing and pulling the operation tool 15 and the support shaft 12, which are supported by the machine frame 3 in a vertical vibration-proofing state and are displaced laterally with respect to the radiator 9, and the support shaft 12. Ingredients 13
In a dust removal device for an engine radiator of a power mobile agricultural machine, which is linked to forcibly swing the engine radiator, there is provided a guide member 19 on the machine frame 3 that allows the vertical movement of the support shaft 12 and prevents its lateral movement. A dust removal device for an engine radiator in a powered mobile agricultural machine, characterized in that: The dust removal device for an engine radiator in a power mobile agricultural machine according to claim 1, wherein the operating tool 15 is a main clutch petal.